33252231 has 4 divisors (see below), whose sum is σ = 44336312. Its totient is φ = 22168152.

The previous prime is 33252203. The next prime is 33252239. The reversal of 33252231 is 13225233.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 33252231 - 2⁷ = 33252103 is a prime.

It is a super-2 number, since 2×33252231² = 2211421732954722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33252198 and 33252207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33252239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5542036 + ... + 5542041.

It is an arithmetic number, because the mean of its divisors is an integer number (11084078).

Almost surely, 2^33252231 is an apocalyptic number.

33252231 is a deficient number, since it is larger than the sum of its proper divisors (11084081).

33252231 is a wasteful number, since it uses less digits than its factorization.

33252231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11084080.

The product of its digits is 1080, while the sum is 21.

The square root of 33252231 is about 5766.4747463247. The cubic root of 33252231 is about 321.5685714225.

Adding to 33252231 its reverse (13225233), we get a palindrome (46477464).

The spelling of 33252231 in words is "thirty-three million, two hundred fifty-two thousand, two hundred thirty-one".